﻿/*
 * jQuery Flickr - jQuery plug-in
 * Version 1.0, Released 2008.04.17
 *
 * Copyright (c) 2008 Daniel MacDonald (www.projectatomic.com)
 * Dual licensed GPL http://www.gnu.org/licenses/gpl.html 
 * and MIT http://www.opensource.org/licenses/mit-license.php
 */
(function($) {
    $.fn.flickr = function(o) {
        var s = {
            api_key: null,              // [string]    required, see http://www.flickr.com/services/api/misc.api_keys.html
            type: null,                 // [string]    allowed values: 'photoset', 'search', default: 'flickr.photos.getRecent'
            photoset_id: null,          // [string]    required, for type=='photoset'
            text: null,                        // [string]    for type=='search' free text search
            user_id: null,              // [string]    for type=='search' search by user id
            group_id: null,             // [string]    for type=='search' search by group id
            tags: null,                 // [string]    for type=='search' comma separated list
            tag_mode: 'any',            // [string]    for type=='search' allowed values: 'any' (OR), 'all' (AND)
            sort: 'relevance',    // [string]    for type=='search' allowed values: 'date-posted-asc', 'date-posted-desc', 'date-taken-asc', 'date-taken-desc', 'interestingness-desc', 'interestingness-asc', 'relevance'
            thumb_size: 's',            // [string]    allowed values: 's' (75x75), 't' (100x?), 'm' (240x?)
            size: null,                 // [string]    allowed values: 'm' (240x?), 'b' (1024x?), 'o' (original), default: (500x?)
            per_page: 100,              // [integer]   allowed values: max of 500
            page: 1,                       // [integer]   see paging notes
            attr: '',                   // [string]    optional, attributes applied to thumbnail <a> tag
            api_url: null,              // [string]    optional, custom url that returns flickr JSON or JSON-P 'photos' or 'photoset'
            params: '',                 // [string]    optional, custom arguments, see http://www.flickr.com/services/api/flickr.photos.search.html
            api_callback: '?',          // [string]    optional, custom callback in flickr JSON-P response
            callback: null              // [function]  optional, callback function applied to entire <ul>

            // PAGING NOTES: jQuery Flickr plug-in does not provide paging functionality, but does provide hooks for a custom paging routine
            // within the <ul> created by the plug-in, there are two hidden <input> tags,
            // input:eq(0): current page, input:eq(1): total number of pages, input:eq(2): images per page, input:eq(3): total number of images

            // SEARCH NOTES: when setting type to 'search' at least one search parameter  must also be passed text, user_id, group_id, or tags

            // SIZE NOTES: photos must allow viewing original size for size 'o' to function, if not, default size is shown
        };
        if (o) $.extend(s, o);
        return this.each(function() {
            // create unordered list to contain flickr images
            var list = $('<div class="slides_container">').appendTo(this);
            var url = $.flickr.format(s);
            $.getJSON(url, function(r) {
                if (r.stat != "ok") {
                    for (i in r) {
                        $('<li>').text(i + ': ' + r[i]).appendTo(list);
                    }
                } else {
                    if (s.type == 'photoset') r.photos = r.photoset;
                    // add hooks to access paging data
                    /*
                     list.append('<input type="hidden" value="'+r.photos.page+'" />');
                     list.append('<input type="hidden" value="'+r.photos.pages+'" />');
                     list.append('<input type="hidden" value="'+r.photos.perpage+'" />');
                     list.append('<input type="hidden" value="'+r.photos.total+'" />');
                     */
                    for (var i = 0; i < r.photos.photo.length; i++) {
                        var photo = r.photos.photo[i];
                        // format thumbnail url
                        var t = 'http://farm' + photo['farm'] + '.static.flickr.com/' + photo['server'] + '/' + photo['id'] + '_' + photo['secret'] + '_' + s.thumb_size + '.jpg';
                        //format image url
                        var h = 'http://farm' + photo['farm'] + '.static.flickr.com/' + photo['server'] + '/' + photo['id'] + '_';
                        switch (s.size) {
                            case 'm':
                                h += photo['secret'] + '_m.jpg';
                                break;
                            case 'b':
                                h += photo['secret'] + '_b.jpg';
                                break;
                            case 'o':
                                if (photo['originalsecret'] && photo['originalformat']) {
                                    h += photo['originalsecret'] + '_o.' + photo['originalformat'];
                                } else {
                                    h += photo['secret'] + '_b.jpg';
                                }
                                break;
                            default:
                                h += photo['secret'] + '.jpg';
                        }
                        var flickrLink = r.photoset ? 'http://www.flickr.com/photos/' + r.photoset.owner + '/' + photo['id'] : '#';
                        list.append('<a href="' + h + '" ' + s.attr + '><div class="photo-wrapper"><img class="photo" src="' + h + '" alt="' + photo['title'] + '" /></div></a>');
                    }
                    if (s.callback) s.callback(list);
                }
            });
        });
    };
    /*
     if(o) $.extend(s, o);
     return this.each(function(){
     // create unordered list to contain flickr images
     var list = $('<ul>').appendTo(this);
     var url = $.flickr.format(s);
     $.getJSON(url, function(r){
     if (r.stat != "ok"){
     for (i in r){
     $('<li>').text(i+': '+ r[i]).appendTo(list);
     };
     } else {
     if (s.type == 'photoset') r.photos = r.photoset;
     // add hooks to access paging data
     list.append('<input type="hidden" value="'+r.photos.page+'" />');
     list.append('<input type="hidden" value="'+r.photos.pages+'" />');
     list.append('<input type="hidden" value="'+r.photos.perpage+'" />');
     list.append('<input type="hidden" value="'+r.photos.total+'" />');
     for (var i=0; i<r.photos.photo.length; i++){
     var photo = r.photos.photo[i];
     // format thumbnail url
     var t = 'http://farm'+photo['farm']+'.static.flickr.com/'+photo['server']+'/'+photo['id']+'_'+photo['secret']+'_'+s.thumb_size+'.jpg';
     //format image url
     var h = 'http://farm'+photo['farm']+'.static.flickr.com/'+photo['server']+'/'+photo['id']+'_';
     switch (s.size){
     case 'm':
     h += photo['secret'] + '_m.jpg';
     break;
     case 'b':
     h += photo['secret'] + '_b.jpg';
     break;
     case 'o':
     if (photo['originalsecret'] && photo['originalformat']) {
     h += photo['originalsecret'] + '_o.' + photo['originalformat'];
     } else {
     h += photo['secret'] + '_b.jpg';
     };
     break;
     default:
     h += photo['secret'] + '.jpg';
     };
     var flickrLink = 'http://www.flickr.com/photos/' + r.photoset.owner + '/' + photo['id'];
     //console.log(flickrLink);
     list.append('<li><a href="'+h+'" '+s.attr+' title="'+flickrLink+'"><img src="'+t+'" alt="'+photo['title']+'" /></a></li>');
     };
     if (s.callback) s.callback(list);
     };
     });
     });
     };
     */

// static function to format the flickr API url according to the plug-in settings 
    $.flickr = {
        format: function(s) {
            if (s.url) return s.url;
            var url = 'http://api.flickr.com/services/rest/?format=json&jsoncallback=' + s.api_callback + '&api_key=' + s.api_key;
            switch (s.type) {
                case 'photoset':
                    url += '&method=flickr.photosets.getPhotos&photoset_id=' + s.photoset_id;
                    break;
                case 'publicPhotos':
                    url += '&method=flickr.people.getPublicPhotos&photoset_id=' + s.photoset_id + '&user_id=' + s.user_id;
                    break;
                case 'search':
                    url += '&method=flickr.photos.search&sort=' + s.sort;
                    if (s.user_id) url += '&user_id=' + s.user_id;
                    if (s.group_id) url += '&group_id=' + s.group_id;
                    if (s.tags) url += '&tags=' + s.tags;
                    if (s.tag_mode) url += '&tag_mode=' + s.tag_mode;
                    if (s.text) url += '&text=' + s.text;
                    break;
                default:
                    url += '&method=flickr.photos.getRecent';
            }
            if (s.size == 'o') url += '&extras=original_format';
            url += '&per_page=' + s.per_page + '&page=' + s.page + s.params;
            return url;
        }
    };
})(jQuery);